Home / 3,408.72-4,700.34-2,962.68

Finding the Fourth Proportional to 3,408.72, 4,700.34 and 2,962.68

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Solution

The fourth proportional to 3,408.72, 4,700.34 and 2,962.68 is: 4,085.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.72 : 4,700.34 = 2,962.68 : x
  2. Step 2: Convert to fraction form
    3,408.72/4,700.34 = 2,962.68/x
  3. Step 3: Cross multiply
    3,408.72x = 4,700.34 × 2,962.68
  4. Step 4: Simplify right side
    3,408.72x = 13,925,603.31
  5. Step 5: Solve for x
    x = 13,925,603.31/3,408.72
  6. Step 6: Final answer
    x = 4,085.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.